Acute health effects appear shortly after exposure to these pesticides and can include: skin and eye irritations, headaches, dizziness and nausea, weakness, difficulty breathing, mental confusion and disorientation, seizures, coma, and death.
While the risk to humans from pyrethroids is relatively low when applied properly, these products are far from harmless to human health. People exposed to large amounts of pyrethroids can experience effects like stinging skin, dizziness, headache, or nausea that might last for several hours.
For sprays that contain pyrethrins: For simple exposure or inhaling small amounts, recovery should occur. Severe breathing difficulty can quickly become life threatening.
Steps you should take:
If possible, remain inside or avoid the area whenever spraying takes place and for about 30 minutes after spraying. That time period will greatly reduce the likelihood of your breathing pesticides in the air.
Stay indoors with the windows closed during spraying. If you are outdoors when spraying takes place and come in contact with the chemical, rinse your skin and eyes with water. Wash fruits and vegetables from your garden before storing, cooking, or eating.
Open windows and doors to ventilate your home. This will help to remove any remaining pesticide fumes. Discard any food or materials that might have been exposed to the pest control chemicals to prevent potential health hazards. Wash your hands thoroughly with soap and water.
Irritation of skin and eyes. Irritability to sound and touch, abnormal facial sensation, sensation of prickling, tingling/creeping on skin and numbness. Headache, dizziness, nausea, vomiting, diarrhea, increased salivation, fatigue. In severe cases: fluid in lungs and muscle twitching may develop.
DEET is a widely used repellent that deters pests by making it harder for them to smell humans. Despite being effective, it has faced controversy over potential health and environmental impacts, including skin irritation and toxicity concerns. Some countries have even banned DEET due to these risks.
They do not have any residual effect – they work only at the time of treatment to quickly reduce adult mosquito populations. Once applied, the product begins to break down rapidly and dissipates 5 to 30 minutes later, depending on the formulation and weather conditions.
Poisoning from DEET
Skin exposure to DEET can cause two types of reactions: local skin reactions and systemic reactions. If your child swallows a product containing DEET, rinse out his mouth, have him drink water and contact his physician or the Poison Control Center at 1-888-222-1222.
Get medical help right away. Do not make the person throw up unless poison control or a health care provider tells you to. If the chemical is on the skin or in the eyes, flush with lots of water for at least 15 minutes. If the person breathed in the poison, move them to fresh air right away.
Most pesticides are broken down and removed from the body by the liver and kidneys. These organs also remove prescription drugs from the body. The liver and kidneys may become less able to remove pesticides from the body if someone is taking several types of prescription drugs.
Many birds will eat mosquitoes. The more important among these are purple martins, swallows, waterfowl (geese, terns, ducks) and migratory songbirds. Bird predators usually eat both the adult and aquatic stages of mosquitoes.
If it hasn't worn off by bedtime, you'll want to wash it off with soap and water, as it can be irritating if left on overnight. Unless you are camping overnight in an area with ticks or mosquitoes, you don't want it sitting on your skin if insects aren't a concern. “If you don't need it on, get it off,” Waldman says.
Use of these repellents can also cause acute and chronic health effects such as skin and eye irritation, headache, dizziness, weakness, ear, nose and throat infection, vomiting, allergy, pregnancy complication, immune system disorder and even cancer (Liu et al., 2003). ...
DEET is commonly found in insect repellants. If used properly, the health risk of using these products is very low. DEET products are extensively used with very little risk to human health. Occasionally, there have been reports of people having negative reactions after excessive use of repellents containing DEET.
taking Vitamin B1 and Vitamin B12 supplements. eating garlic or yeast extracts, or applying them to your skin. using bath oils and skin softeners.
Which repellent works best? N,N-diethyl-3-methylbenzamide (DEET) remains the standard by which all other repellents are judged. DEET was developed by the U.S. Department of Agriculture and was registered for use by the general public in 1957. It is effective against mosquitoes, biting flies, chiggers, fleas, and ticks.
Insecticides are chemicals used to kill insects. Some insecticides are also dangerous to humans. Many insecticides can cause poisoning after being swallowed, inhaled, or absorbed through the skin. Symptoms may include eye tearing, coughing, heart problems, and breathing difficulties.
Many pesticides are readily removed by the body ( e.g., in urine or feces) in a matter of hours or days.
Give It Some Air!
After applying Raid® spray products such as Raid® Mosquito and Fly Killer, give the treated room or area some air! Exit the treated area and keep the room closed for 15 minutes. Then thoroughly ventilate before re-entry. Read the product label for more detailed instructions.
After returning indoors, wash your child's treated skin and clothes with soap and water or bathe.
Unfortunately, laboratory studies have found that bed bugs are not very susceptible to dried insecticide residues and do not typically pick up a lethal dose from simply walking across the sprayed area. Instead bed bugs have to sit on the dried residues, sometimes for several days, to suffer any lethal effects.